733 lines
18 KiB
C
733 lines
18 KiB
C
/* mkpasswd.c:
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Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <ctype.h>
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#include <stdlib.h>
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#include <wchar.h>
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#include <stdio.h>
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#include <windows.h>
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#include <io.h>
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#include <unistd.h>
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#include <sys/cygwin.h>
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#include <getopt.h>
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#include <lmaccess.h>
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#include <lmapibuf.h>
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#include <sys/fcntl.h>
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#include <lmerr.h>
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#include <lmcons.h>
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static const char version[] = "$Revision$";
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SID_IDENTIFIER_AUTHORITY sid_world_auth = {SECURITY_WORLD_SID_AUTHORITY};
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SID_IDENTIFIER_AUTHORITY sid_nt_auth = {SECURITY_NT_AUTHORITY};
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NET_API_STATUS WINAPI (*netapibufferfree)(PVOID);
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NET_API_STATUS WINAPI (*netuserenum)(LPWSTR,DWORD,DWORD,PBYTE*,DWORD,PDWORD,PDWORD,PDWORD);
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NET_API_STATUS WINAPI (*netlocalgroupenum)(LPWSTR,DWORD,PBYTE*,DWORD,PDWORD,PDWORD,PDWORD);
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NET_API_STATUS WINAPI (*netgetdcname)(LPWSTR,LPWSTR,PBYTE*);
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NET_API_STATUS WINAPI (*netusergetinfo)(LPWSTR,LPWSTR,DWORD,PBYTE*);
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#ifndef min
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#define min(a,b) (((a)<(b))?(a):(b))
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#endif
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BOOL
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load_netapi ()
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{
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HANDLE h = LoadLibrary ("netapi32.dll");
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if (!h)
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return FALSE;
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if (!(netapibufferfree = (void *) GetProcAddress (h, "NetApiBufferFree")))
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return FALSE;
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if (!(netuserenum = (void *) GetProcAddress (h, "NetUserEnum")))
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return FALSE;
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if (!(netlocalgroupenum = (void *) GetProcAddress (h, "NetLocalGroupEnum")))
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return FALSE;
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if (!(netgetdcname = (void *) GetProcAddress (h, "NetGetDCName")))
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return FALSE;
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if (!(netusergetinfo = (void *) GetProcAddress (h, "NetUserGetInfo")))
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return FALSE;
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return TRUE;
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}
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char *
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put_sid (PSID sid)
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{
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static char s[512];
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char t[32];
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DWORD i;
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strcpy (s, "S-1-");
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sprintf(t, "%u", GetSidIdentifierAuthority (sid)->Value[5]);
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strcat (s, t);
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for (i = 0; i < *GetSidSubAuthorityCount (sid); ++i)
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{
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sprintf(t, "-%lu", *GetSidSubAuthority (sid, i));
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strcat (s, t);
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}
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return s;
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}
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void
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psx_dir (char *in, char *out)
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{
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if (isalpha (in[0]) && in[1] == ':')
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{
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sprintf (out, "/cygdrive/%c", in[0]);
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in += 2;
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out += strlen (out);
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}
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while (*in)
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{
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if (*in == '\\')
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*out = '/';
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else
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*out = *in;
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in++;
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out++;
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}
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*out = '\0';
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}
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void
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uni2ansi (LPWSTR wcs, char *mbs, int size)
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{
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if (wcs)
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WideCharToMultiByte (CP_ACP, 0, wcs, -1, mbs, size, NULL, NULL);
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else
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*mbs = '\0';
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}
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void
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print_win_error(DWORD code)
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{
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char buf[4096];
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if (FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM
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| FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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code,
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MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR) buf, sizeof (buf), NULL))
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fprintf (stderr, "mkpasswd: [%lu] %s", code, buf);
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else
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fprintf (stderr, "mkpasswd: error %lu", code);
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}
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void
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current_user (int print_sids, int print_cygpath,
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const char * passed_home_path, int id_offset, const char * disp_username)
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{
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char name[UNLEN + 1], *envname, *envdomain;
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DWORD len;
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HANDLE ptok;
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int errpos = 0;
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struct {
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PSID psid;
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int buffer[10];
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} tu, tg;
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if ((!GetUserName (name, (len = sizeof (name), &len)) && (errpos = __LINE__))
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|| !name[0]
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|| !(envname = getenv("USERNAME"))
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|| strcasecmp (envname, name)
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|| (disp_username && strcasecmp(envname, disp_username))
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|| (!GetComputerName (name, (len = sizeof (name), &len))
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&& (errpos = __LINE__))
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|| !(envdomain = getenv("USERDOMAIN"))
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|| !envdomain[0]
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|| !strcasecmp (envdomain, name)
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|| (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &ptok)
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&& (errpos = __LINE__))
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|| (!GetTokenInformation (ptok, TokenUser, &tu, sizeof tu, &len)
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&& (errpos = __LINE__))
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|| (!GetTokenInformation (ptok, TokenPrimaryGroup, &tg, sizeof tg, &len)
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&& (errpos = __LINE__))
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|| (!CloseHandle (ptok) && (errpos = __LINE__)))
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{
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if (errpos)
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{
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print_win_error (GetLastError ());
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fprintf(stderr, " on line %d\n", errpos);
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}
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return;
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}
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int uid = *GetSidSubAuthority (tu.psid, *GetSidSubAuthorityCount(tu.psid) - 1);
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int gid = *GetSidSubAuthority (tg.psid, *GetSidSubAuthorityCount(tg.psid) - 1);
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char homedir_psx[MAX_PATH] = {0}, homedir_w32[MAX_PATH] = {0};
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char *envhomedrive = getenv ("HOMEDRIVE");
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char *envhomepath = getenv ("HOMEPATH");
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if (passed_home_path[0] == '\0')
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{
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if (envhomepath && envhomepath[0])
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{
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if (envhomedrive)
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strlcpy (homedir_w32, envhomedrive, sizeof (homedir_w32));
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if (envhomepath[0] != '\\')
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strlcat (homedir_w32, "\\", sizeof (homedir_w32));
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strlcat (homedir_w32, envhomepath, sizeof (homedir_w32));
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if (print_cygpath)
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cygwin_conv_to_posix_path (homedir_w32, homedir_psx);
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else
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psx_dir (homedir_w32, homedir_psx);
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}
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else
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{
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strlcpy (homedir_psx, "/home/", sizeof (homedir_psx));
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strlcat (homedir_psx, envname, sizeof (homedir_psx));
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}
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}
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else
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{
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strlcpy (homedir_psx, passed_home_path, sizeof (homedir_psx));
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strlcat (homedir_psx, envname, sizeof (homedir_psx));
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}
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printf ("%s:unused_by_nt/2000/xp:%d:%d:%s%s%s%s%s%s%s%s:%s:/bin/bash\n",
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envname,
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uid + id_offset,
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gid + id_offset,
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envname,
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print_sids ? "," : "",
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print_sids ? "U-" : "",
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print_sids ? envdomain : "",
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print_sids ? "\\" : "",
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print_sids ? envname : "",
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print_sids ? "," : "",
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print_sids ? put_sid (tu.psid) : "",
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homedir_psx);
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}
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int
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enum_users (LPWSTR servername, int print_sids, int print_cygpath,
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const char * passed_home_path, int id_offset, char *disp_username)
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{
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USER_INFO_3 *buffer;
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DWORD entriesread = 0;
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DWORD totalentries = 0;
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DWORD resume_handle = 0;
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DWORD rc;
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char ansi_srvname[256];
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WCHAR uni_name[512];
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if (servername)
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uni2ansi (servername, ansi_srvname, sizeof (ansi_srvname));
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do
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{
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DWORD i;
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if (disp_username != NULL)
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{
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MultiByteToWideChar (CP_ACP, 0, disp_username, -1, uni_name, 512 );
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rc = netusergetinfo(servername, (LPWSTR) & uni_name, 3,
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(LPBYTE *) &buffer );
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entriesread=1;
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}
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else
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rc = netuserenum (servername, 3, FILTER_NORMAL_ACCOUNT,
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(LPBYTE *) & buffer, 1024,
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&entriesread, &totalentries, &resume_handle);
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switch (rc)
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{
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case ERROR_ACCESS_DENIED:
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print_win_error(rc);
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exit (1);
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case ERROR_MORE_DATA:
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case ERROR_SUCCESS:
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break;
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default:
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print_win_error(rc);
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exit (1);
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}
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for (i = 0; i < entriesread; i++)
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{
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char username[100];
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char fullname[100];
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char homedir_psx[MAX_PATH];
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char homedir_w32[MAX_PATH];
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char domain_name[100];
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DWORD domname_len = 100;
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char psid_buffer[1024];
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PSID psid = (PSID) psid_buffer;
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DWORD sid_length = 1024;
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SID_NAME_USE acc_type;
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int uid = buffer[i].usri3_user_id;
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int gid = buffer[i].usri3_primary_group_id;
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uni2ansi (buffer[i].usri3_name, username, sizeof (username));
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uni2ansi (buffer[i].usri3_full_name, fullname, sizeof (fullname));
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homedir_w32[0] = homedir_psx[0] = '\0';
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if (passed_home_path[0] == '\0')
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{
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uni2ansi (buffer[i].usri3_home_dir, homedir_w32,
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sizeof (homedir_w32));
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if (homedir_w32[0] != '\0')
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{
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if (print_cygpath)
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cygwin_conv_to_posix_path (homedir_w32, homedir_psx);
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else
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psx_dir (homedir_w32, homedir_psx);
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}
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else
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{
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strcpy (homedir_psx, "/home/");
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strcat (homedir_psx, username);
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}
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}
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else
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{
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strcpy (homedir_psx, passed_home_path);
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strcat (homedir_psx, username);
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}
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if (print_sids)
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{
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if (!LookupAccountName (servername ? ansi_srvname : NULL,
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username,
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psid, &sid_length,
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domain_name, &domname_len,
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&acc_type))
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{
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print_win_error(GetLastError ());
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continue;
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}
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else if (acc_type == SidTypeDomain)
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{
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char domname[356];
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strcpy (domname, domain_name);
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strcat (domname, "\\");
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strcat (domname, username);
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sid_length = 1024;
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domname_len = 100;
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if (!LookupAccountName (servername ? ansi_srvname : NULL,
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domname,
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psid, &sid_length,
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domain_name, &domname_len,
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&acc_type))
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{
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print_win_error(GetLastError ());
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continue;
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}
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}
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}
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printf ("%s:unused_by_nt/2000/xp:%d:%d:%s%s%s%s%s%s%s%s:%s:/bin/bash\n",
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username,
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uid + id_offset,
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gid + id_offset,
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fullname,
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print_sids && fullname[0] ? "," : "",
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print_sids ? "U-" : "",
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print_sids ? domain_name : "",
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print_sids && domain_name[0] ? "\\" : "",
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print_sids ? username : "",
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print_sids ? "," : "",
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print_sids ? put_sid (psid) : "",
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homedir_psx);
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}
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netapibufferfree (buffer);
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}
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while (rc == ERROR_MORE_DATA);
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if (servername)
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netapibufferfree (servername);
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return 0;
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}
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int
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enum_local_groups (int print_sids)
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{
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LOCALGROUP_INFO_0 *buffer;
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DWORD entriesread = 0;
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DWORD totalentries = 0;
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DWORD resume_handle = 0;
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DWORD rc ;
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do
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{
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DWORD i;
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rc = netlocalgroupenum (NULL, 0, (LPBYTE *) & buffer, 1024,
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&entriesread, &totalentries, &resume_handle);
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switch (rc)
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{
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case ERROR_ACCESS_DENIED:
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print_win_error(rc);
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exit (1);
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case ERROR_MORE_DATA:
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case ERROR_SUCCESS:
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break;
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default:
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print_win_error(rc);
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exit (1);
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}
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for (i = 0; i < entriesread; i++)
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{
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char localgroup_name[100];
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char domain_name[100];
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DWORD domname_len = 100;
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char psid_buffer[1024];
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PSID psid = (PSID) psid_buffer;
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DWORD sid_length = 1024;
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DWORD gid;
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SID_NAME_USE acc_type;
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uni2ansi (buffer[i].lgrpi0_name, localgroup_name, sizeof (localgroup_name));
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if (!LookupAccountName (NULL, localgroup_name, psid,
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&sid_length, domain_name, &domname_len,
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&acc_type))
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{
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print_win_error(GetLastError ());
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continue;
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}
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else if (acc_type == SidTypeDomain)
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{
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char domname[356];
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strcpy (domname, domain_name);
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strcat (domname, "\\");
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strcat (domname, localgroup_name);
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sid_length = 1024;
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domname_len = 100;
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if (!LookupAccountName (NULL, domname,
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psid, &sid_length,
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domain_name, &domname_len,
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&acc_type))
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{
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print_win_error(GetLastError ());
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continue;
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}
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}
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gid = *GetSidSubAuthority (psid, *GetSidSubAuthorityCount(psid) - 1);
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printf ("%s:*:%ld:%ld:%s%s::\n", localgroup_name, gid, gid,
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print_sids ? "," : "",
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print_sids ? put_sid (psid) : "");
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}
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netapibufferfree (buffer);
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}
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while (rc == ERROR_MORE_DATA);
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return 0;
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}
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void
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print_special (int print_sids,
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PSID_IDENTIFIER_AUTHORITY auth, BYTE cnt,
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DWORD sub1, DWORD sub2, DWORD sub3, DWORD sub4,
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DWORD sub5, DWORD sub6, DWORD sub7, DWORD sub8)
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{
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char name[256], dom[256];
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DWORD len, len2, rid;
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PSID sid;
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SID_NAME_USE use;
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if (AllocateAndInitializeSid (auth, cnt, sub1, sub2, sub3, sub4,
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sub5, sub6, sub7, sub8, &sid))
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{
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if (LookupAccountSid (NULL, sid,
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name, (len = 256, &len),
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dom, (len2 = 256, &len),
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&use))
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{
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if (sub8)
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rid = sub8;
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else if (sub7)
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rid = sub7;
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else if (sub6)
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rid = sub6;
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else if (sub5)
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rid = sub5;
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else if (sub4)
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rid = sub4;
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else if (sub3)
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rid = sub3;
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else if (sub2)
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rid = sub2;
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else
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rid = sub1;
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printf ("%s:*:%lu:%lu:%s%s::\n",
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name, rid, rid == 18 ? 544 : rid, /* SYSTEM hack */
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print_sids ? "," : "",
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print_sids ? put_sid (sid) : "");
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}
|
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FreeSid (sid);
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}
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}
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|
|
int
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usage (FILE * stream, int isNT)
|
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{
|
|
fprintf (stream, "Usage: mkpasswd [OPTION]... [domain]\n\n"
|
|
"This program prints a /etc/passwd file to stdout\n\n"
|
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"Options:\n");
|
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if (isNT)
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fprintf (stream, " -l,--local print local user accounts\n"
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" -c,--current print current account, if a domain account\n"
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" -d,--domain print domain accounts (from current domain\n"
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" if no domain specified)\n"
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" -o,--id-offset offset change the default offset (10000) added to uids\n"
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" in domain accounts.\n"
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" -g,--local-groups print local group information too\n"
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" if no domain specified\n"
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" -m,--no-mount don't use mount points for home dir\n"
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" -s,--no-sids don't print SIDs in GCOS field\n"
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" (this affects ntsec)\n");
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fprintf (stream, " -p,--path-to-home path use specified path instead of user account home dir\n"
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" -u,--username username only return information for the specified user\n"
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" -h,--help displays this message\n"
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" -v,--version version information and exit\n\n");
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if (isNT)
|
|
fprintf (stream, "One of `-l', `-d' or `-g' must be given.\n");
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return 1;
|
|
}
|
|
|
|
struct option longopts[] = {
|
|
{"local", no_argument, NULL, 'l'},
|
|
{"current", no_argument, NULL, 'c'},
|
|
{"domain", no_argument, NULL, 'd'},
|
|
{"id-offset", required_argument, NULL, 'o'},
|
|
{"local-groups", no_argument, NULL, 'g'},
|
|
{"no-mount", no_argument, NULL, 'm'},
|
|
{"no-sids", no_argument, NULL, 's'},
|
|
{"path-to-home", required_argument, NULL, 'p'},
|
|
{"username", required_argument, NULL, 'u'},
|
|
{"help", no_argument, NULL, 'h'},
|
|
{"version", no_argument, NULL, 'v'},
|
|
{0, no_argument, NULL, 0}
|
|
};
|
|
|
|
char opts[] = "lcdo:gsmhp:u:v";
|
|
|
|
static void
|
|
print_version ()
|
|
{
|
|
const char *v = strchr (version, ':');
|
|
int len;
|
|
if (!v)
|
|
{
|
|
v = "?";
|
|
len = 1;
|
|
}
|
|
else
|
|
{
|
|
v += 2;
|
|
len = strchr (v, ' ') - v;
|
|
}
|
|
printf ("\
|
|
mkpasswd (cygwin) %.*s\n\
|
|
passwd File Generator\n\
|
|
Copyright 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.\n\
|
|
Compiled on %s\n\
|
|
", len, v, __DATE__);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
LPWSTR servername = NULL;
|
|
DWORD rc = ERROR_SUCCESS;
|
|
WCHAR domain_name[200];
|
|
int print_local = 0;
|
|
int print_current = 0;
|
|
int print_domain = 0;
|
|
int print_local_groups = 0;
|
|
int domain_name_specified = 0;
|
|
int print_sids = 1;
|
|
int print_cygpath = 1;
|
|
int id_offset = 10000;
|
|
int i;
|
|
int isNT;
|
|
char *disp_username = NULL;
|
|
char name[256], passed_home_path[MAX_PATH];
|
|
DWORD len;
|
|
|
|
isNT = (GetVersion () < 0x80000000);
|
|
passed_home_path[0] = '\0';
|
|
if (!isatty (1))
|
|
setmode (1, O_BINARY);
|
|
|
|
if (isNT && argc == 1)
|
|
return usage (stderr, isNT);
|
|
else
|
|
{
|
|
while ((i = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
|
|
switch (i)
|
|
{
|
|
case 'l':
|
|
print_local = 1;
|
|
break;
|
|
case 'c':
|
|
print_current = 1;
|
|
break;
|
|
case 'd':
|
|
print_domain = 1;
|
|
break;
|
|
case 'o':
|
|
id_offset = strtol (optarg, NULL, 10);
|
|
break;
|
|
case 'g':
|
|
print_local_groups = 1;
|
|
break;
|
|
case 's':
|
|
print_sids = 0;
|
|
break;
|
|
case 'm':
|
|
print_cygpath = 0;
|
|
break;
|
|
case 'p':
|
|
if (optarg[0] != '/')
|
|
{
|
|
fprintf (stderr, "%s: `%s' is not a fully qualified path.\n",
|
|
argv[0], optarg);
|
|
return 1;
|
|
}
|
|
strcpy (passed_home_path, optarg);
|
|
if (optarg[strlen (optarg)-1] != '/')
|
|
strcat (passed_home_path, "/");
|
|
break;
|
|
case 'u':
|
|
disp_username = optarg;
|
|
break;
|
|
case 'h':
|
|
usage (stdout, isNT);
|
|
return 0;
|
|
case 'v':
|
|
print_version ();
|
|
return 0;
|
|
default:
|
|
fprintf (stderr, "Try `%s --help' for more information.\n", argv[0]);
|
|
return 1;
|
|
}
|
|
}
|
|
if (!isNT)
|
|
{
|
|
/* This takes Windows 9x/ME into account. */
|
|
if (!disp_username)
|
|
{
|
|
if (GetUserName (name, (len = 256, &len)))
|
|
disp_username = name;
|
|
else
|
|
/* Same behaviour as in cygwin/shared.cc (memory_init). */
|
|
disp_username = (char *) "unknown";
|
|
}
|
|
|
|
if (passed_home_path[0] == '\0')
|
|
strcpy (passed_home_path, "/home/");
|
|
|
|
printf ("%s:*:%ld:%ld:%s:%s%s:/bin/bash\n", disp_username,
|
|
DOMAIN_USER_RID_ADMIN,
|
|
DOMAIN_ALIAS_RID_ADMINS,
|
|
disp_username,
|
|
passed_home_path,
|
|
disp_username);
|
|
return 0;
|
|
}
|
|
if (!print_local && !print_domain && !print_local_groups)
|
|
{
|
|
fprintf (stderr, "%s: Specify one of `-l', `-d' or `-g'\n", argv[0]);
|
|
return 1;
|
|
}
|
|
if (optind < argc)
|
|
{
|
|
if (!print_domain)
|
|
{
|
|
fprintf (stderr, "%s: A domain name is only accepted "
|
|
"when `-d' is given.\n", argv[0]);
|
|
return 1;
|
|
}
|
|
mbstowcs (domain_name, argv[optind], (strlen (argv[optind]) + 1));
|
|
domain_name_specified = 1;
|
|
}
|
|
if (!load_netapi ())
|
|
{
|
|
print_win_error(GetLastError ());
|
|
return 1;
|
|
}
|
|
|
|
if (disp_username == NULL)
|
|
{
|
|
#if 0
|
|
/*
|
|
* Get `Everyone' group
|
|
*/
|
|
print_special (print_sids, &sid_world_auth, 1, SECURITY_WORLD_RID,
|
|
0, 0, 0, 0, 0, 0, 0);
|
|
#endif
|
|
/*
|
|
* Get `system' group
|
|
*/
|
|
print_special (print_sids, &sid_nt_auth, 1, SECURITY_LOCAL_SYSTEM_RID,
|
|
0, 0, 0, 0, 0, 0, 0);
|
|
/*
|
|
* Get `administrators' group
|
|
*/
|
|
if (!print_local_groups)
|
|
print_special (print_sids, &sid_nt_auth, 2, SECURITY_BUILTIN_DOMAIN_RID,
|
|
DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0);
|
|
|
|
if (print_local_groups)
|
|
enum_local_groups (print_sids);
|
|
}
|
|
|
|
if (print_domain)
|
|
{
|
|
if (domain_name_specified)
|
|
rc = netgetdcname (NULL, domain_name, (LPBYTE *) & servername);
|
|
|
|
else
|
|
rc = netgetdcname (NULL, NULL, (LPBYTE *) & servername);
|
|
|
|
if (rc != ERROR_SUCCESS)
|
|
{
|
|
print_win_error(rc);
|
|
return 1;
|
|
}
|
|
|
|
enum_users (servername, print_sids, print_cygpath, passed_home_path,
|
|
id_offset, disp_username);
|
|
}
|
|
|
|
if (print_local)
|
|
enum_users (NULL, print_sids, print_cygpath, passed_home_path, 0,
|
|
disp_username);
|
|
|
|
if (print_current && !print_domain)
|
|
current_user(print_sids, print_cygpath, passed_home_path,
|
|
id_offset, disp_username);
|
|
|
|
if (servername)
|
|
netapibufferfree (servername);
|
|
|
|
return 0;
|
|
}
|